Plugs into an Arduino board and convert DTMF (Touch Tone) signals into digital so that Arduino and other microcontrollers can understand.
At the heart of this module is a DTMF decoder chip. This application specific chip that does all the heavy lifting so that the interface with your Sketch is easy.
 
Here’s a functional diagram of the DTMF Shield:
 
Key Features:
  • Operating Voltage: 5v, Current draw: 3mA
  • Input signal range: 27.5 to 869mVrms  (-29 to 1dBm )
  • Trim pot for easy gain adjustment.
  • 3.5mm stereo audio jack (TRS) and 0.1″ standard interface headers
  • Easy to reconfigure the audio jack pinout
  • LED to indicate tone decoded
Dimension:
  •  0.79″ x 2.16″, 20mm x 55mm
Documents:

 

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DTMF Shield for Arduino

  • Product Code:Seeed-Shield-DTMF-Arduino
  • Reward Points:30
  • Availability:In Stock
  • रo 2,999.00

  • Ex Tax:रo 2,999.00
  • Price in reward points:2999

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Tags: DTMF, Shield, Arduino

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